CVE-2020-6859: Ultimatemember Ultimate Member

Medium severity, CVSS 5.3. EPSS: 2.2% chance of exploitation in the next 30 days.

Multiple Insecure Direct Object Reference vulnerabilities in includes/core/class-files.php in the Ultimate Member plugin through 2.1.2 for WordPress allow remote attackers to change other users' profiles and cover photos via a modified user_id parameter. This is related to ajax_image_upload and ajax_resize_image.

Affected products

• Ultimatemember Ultimate Member: up to and including 2.1.2

Published 2020-01-13. Last modified 2026-06-17.